Two sheep and two pigs are marked "BB" on the underside. Beton Bergen Toys. The gray plastic calf is not marked. It is a softer plastic. It is probably from a different era. The sheep and pigs are made from more rigid plastic. All the animals are in good condition. The sheep are 3/4" high, the pigs are 5/8" tall, and the calf is 1" high.  All sold together.